All numbers are regarded as powers of some one number, which is called the base of the system ; and the exponent of that power of the base which is equal to a given number, is called the logarithm of that number. The base of the common system of logarithms...
Elements of Trigonometry: Plane and Spherical - PÓgina 117
per LefÚbure de Fourcy (M., Louis Etienne) - 1868 - 288 pÓgines
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